Fehling's Test for Reducing Sugars

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Uploaded by on Mar 25, 2007

To download this video please go to http://www.downloadvideos.co.nr .Copper sulfate is mixed with a solution of potassium hydroxide and potassium sodium tartrate to form Fehling's reagent. The solution is heated and then sucrose is added to one container and glucose to the other.

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All Comments (11)

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  • sta je to plavo sto je sipano?

  • Why does milk precipitate at pH4 without carbohydrates and does not precipitate at the same pH with carbohydrates?

  • Can you list the compenents used in this please?

  • :o thx fer uploadin vid

    nidded it fer my science project

  • thanks :D

  • no entiendo ni mierda

  • nice demo

  • Tartrate is needed to keep Cu(II) in solution.

    If no complexing agent is used, copper will simply precipitate due to the alkaline conditions of the solution.

  • wah effects quite instaneous

  • Wat's the purpose of adding potassium sodium tartrate?

    Is this more accurate than Benedict's test?

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